编译后的 treeview

<form runat="server">

<asp:TreeView ID="TreeView1" runat="server">

</asp:TreeView>

</form>

 public void InitTree(TreeView TreeView1)

    {

        DataSet dsa = new DataSet();

        string sql = "SELECT id,name FROM M_menuhead";

        dsa = SqlHelper.ExecuteDataset(SqlHelper.Conn, CommandType.Text, sql);

        if (dsa.Tables[0].Rows.Count > 0)

        {

            for (int i = 0; i <= dsa.Tables[0].Rows.Count-1; i++)

            {

                //把目录表绑定到根节点,作为第一级节点

                TreeNode TreeNode1 = new TreeNode();

                TreeNode1.Value = dsa.Tables[0].Rows[i]["id"].ToString();

                TreeNode1.Text = dsa.Tables[0].Rows[i]["name"].ToString();

                TreeNode1.SelectAction = TreeNodeSelectAction.None;//选定节点,事件为空

                //填充数据集:ds1

                DataSet ds1 = new DataSet();

                string sql2 = "SELECT id,name FROM M_MenuChildren  where  pid=" + dsa.Tables[0].Rows[i][0].ToString().Trim() + "  ";

                ds1 = SqlHelper.ExecuteDataset(SqlHelper.Conn, CommandType.Text, sql2);

                if (ds1.Tables[0].Rows.Count > 0)

                {

                    for (int j = 0; j < ds1.Tables[0].Rows.Count; j++)

                    {

                        //把模块表绑定到子节点,作为第二级节点

                        TreeNode TreeNode2 = new TreeNode();

                        TreeNode2.Value = ds1.Tables[0].Rows[j]["id"].ToString();

                        TreeNode2.Text = ds1.Tables[0].Rows[j]["name"].ToString();

                        TreeNode2.SelectAction = TreeNodeSelectAction.None;  //选定节点,事件为空        

                        //把模块名称绑定到目录名称下，作为子节点

                        TreeNode2.ExpandAll();

                        TreeNode1.ChildNodes.Add(TreeNode2);

                    }

                }

                // 把目录名称绑定到TreeView控件，作为父节点

                TreeNode1.ExpandAll();

                TreeView1.Nodes.Add(TreeNode1);

            }

        }

    }

}

编译后的 treeview  产生很多代码

<form name="aspnetForm" method="post" action="index.aspx" id="aspnetForm">

<div>

<input type="hidden" name="menuhead2_TreeView1_ExpandState" id="menuhead2_TreeView1_ExpandState" value="ennnnnnnnnnnnn" />

<input type="hidden" name="menuhead2_TreeView1_SelectedNode" id="menuhead2_TreeView1_SelectedNode" value="" />

<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" />

<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" />

<input type="hidden" name="menuhead2_TreeView1_PopulateLog" id="menuhead2_TreeView1_PopulateLog" value="" />

<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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" />

</div>

<script type="text/javascript"> 

//<![CDATA[

var theForm = document.forms['aspnetForm'];

if (!theForm) {

    theForm = document.aspnetForm;

}

function __doPostBack(eventTarget, eventArgument) {

    if (!theForm.onsubmit || (theForm.onsubmit() != false)) {

        theForm.__EVENTTARGET.value = eventTarget;

        theForm.__EVENTARGUMENT.value = eventArgument;

        theForm.submit();

    }

}

//]]>

</script>

<script src="/B2C/WebResource.axd?d=D2ytoLOAacQa5-Nrzao1MQ2&amp;t=633906213980000000" type="text/javascript"></script>

<script src="/B2C/WebResource.axd?d=0J8Ob1VlN6fpYpbxRCsA_Q2&amp;t=633906213980000000" type="text/javascript"></script>

<script type="text/javascript"> 

//<![CDATA[

    function TreeView_PopulateNodeDoCallBack(context,param) {

        WebForm_DoCallback(context.data.treeViewID,param,TreeView_ProcessNodeData,context,TreeView_ProcessNodeData,false);

    }

var menuhead2_TreeView1_Data = null;//]]>

</script>

<a href="#menuhead2_TreeView1_SkipLink"><img alt="跳过导航链接。" src="/B2C/WebResource.axd?d=oz5w1wGopV44fkNLinRmbQ2&amp;t=633906213980000000" width="0" height="0" style="border-0px;" /></a><div id="menuhead2_TreeView1">

<table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><a id="menuhead2_TreeView1n0" href="javascript:TreeView_ToggleNode(menuhead2_TreeView1_Data,0,menuhead2_TreeView1n0,' ',menuhead2_TreeView1n0Nodes)"><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0d56KtK1vL2EljRG21fT2k1&amp;t=633906213980000000" alt="折叠 手机" style="border-0;" /></a></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t0" style="text-decoration:none;">手机</span></td>

</tr>

</table><div id="menuhead2_TreeView1n0Nodes" style="display:block;">

<table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t1" style="text-decoration:none;">诺基亚</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t2" style="text-decoration:none;">索尼爱立信</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t3" style="text-decoration:none;">摩托罗拉</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t4" style="text-decoration:none;">三星</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t5" style="text-decoration:none;">LG</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t6" style="text-decoration:none;">联想</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t7" style="text-decoration:none;">西门子</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><div style="20px;height:1px"></div></td><td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t8" style="text-decoration:none;">其它</span></td>

</tr>

</table>

</div><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t9" style="text-decoration:none;">笔记本</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t10" style="text-decoration:none;">电脑配件</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t11" style="text-decoration:none;">服装</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t12" style="text-decoration:none;">玩具</span></td>

</tr>

</table><table cellpadding="0" cellspacing="0" style="border-0;">

<tr>

<td><img src="/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&amp;t=633906213980000000" alt="" /></td><td style="white-space:nowrap;"><span id="menuhead2_TreeView1t13" style="text-decoration:none;">其它</span></td>

</tr>

</table>

</div><a id="menuhead2_TreeView1_SkipLink"></a>

<script type="text/javascript"> 

//<![CDATA[

var menuhead2_TreeView1_ImageArray =  new Array('', '', '', '/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0dhtiUqUNUklEDCNv-50ao1&t=633906213980000000', '/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS7W5h1k7La5Mti9gRoqwwHU1&t=633906213980000000', '/B2C/WebResource.axd?d=zJOjpKHuzpIlaPQpjwHvS0d56KtK1vL2EljRG21fT2k1&t=633906213980000000');

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</script>

<script type="text/javascript"> 

//<![CDATA[

WebForm_InitCallback();var menuhead2_TreeView1_Data = new Object();

menuhead2_TreeView1_Data.images = menuhead2_TreeView1_ImageArray;

menuhead2_TreeView1_Data.collapseToolTip = "折叠 {0}";

menuhead2_TreeView1_Data.expandToolTip = "展开 {0}";

menuhead2_TreeView1_Data.expandState = theForm.elements['menuhead2_TreeView1_ExpandState'];

menuhead2_TreeView1_Data.selectedNodeID = theForm.elements['menuhead2_TreeView1_SelectedNode'];

for (var i=0;i<6;i++) {

var preLoad = new Image();

if (menuhead2_TreeView1_ImageArray[i].length > 0)

preLoad.src = menuhead2_TreeView1_ImageArray[i];

}

menuhead2_TreeView1_Data.lastIndex = 14;

menuhead2_TreeView1_Data.populateLog = theForm.elements['menuhead2_TreeView1_PopulateLog'];

menuhead2_TreeView1_Data.treeViewID = 'menuhead2$TreeView1';

menuhead2_TreeView1_Data.name = 'menuhead2_TreeView1_Data';

//]]>

</script>

</form>